HTML Viewer
Try the online HTML viewer, a practical and free tool that lets you test and render your HTML code in real time directly in the browser. Paste your HTML code, preview it instantly, and enjoy a simple, intuitive interface to validate and adjust your projects.
How to Use the HTML Viewer
Paste HTML Code or Enter a URL
Choose between "HTML Code" to paste code directly or "URL" to view an existing web page. The viewer renders the content in real time.
Choose the Screen Size
Test your HTML in different formats: Mobile (375px), Tablet (768px), or Desktop (full width). See how your layout adapts to each device.
Preview in Real Time
The preview updates automatically as you type. Test different CSS styles, HTML structures, and see results instantly.
Frequently Asked Questions
Why Preview HTML Online?
Instant Testing
Preview your HTML code instantly without setting up servers or creating local files. Ideal for quick tests and prototyping.
Responsive Design
Test how your pages appear on different devices without having to manually resize the browser window.
Full Privacy
All processing is done locally in your browser. Your HTML code stays 100% private and secure.
Hands-On Learning
Perfect for students and beginners to learn HTML/CSS by seeing results immediately as they edit the code.
About This Online HTML Viewer
This free HTML viewer was built for web developers, designers, and students who need to quickly test HTML code at different screen sizes. Paste your code, preview it instantly, and test responsiveness on Mobile, Tablet, and Desktop without leaving the browser.
Unlike other tools, this viewer processes everything locally, ensuring full privacy of your code. Ideal for rapid prototyping, layout validation, and learning HTML/CSS. Use it to test landing pages, components, HTML emails, and any markup you are developing.